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An efficient and four-component one-pot facile synthesis of tetra-substituted imidazole is achieved by cyclo-condensation reaction of benzil with subsequent successive substitution of aromatic aldehydes, ester substituted amine and ammonium acetate via refluxing the mixture for almost two hours at 140°C.
The ending point of the understudy reaction was examined by TLC after regular intervals. Synthesized 1,2,4-tetrasubstituted imidazoles were characterized by physical data and the structural features were analyzed using spectroscopic techniques such as FTIR, NMR and elemental analysis.
The inhibition potential of fabricated compounds was evaluated against the mushroom based Tyrosinase (polyphenol oxidase) enzyme. Tetra-substituted imidazole derivatives demonstrated significant potent tyrosinase inhibition activities.
Pharmacokinetic mechanism and molecular docking studies were also carried out.